x=int(input())
if x in range(400,600):
    p=8
elif x in range(600,800):
    p=7
elif x in range(800,1000):
    p=6
elif x in range(1000,1200):
    p=5
elif x in range(1200,1400):
    p=4
elif x in range(1400,1600):
    p=3
elif x in range(1600,1800):
    p=2
elif x in range(1800,2000):
    p=1
print(p) x=int(input()) x int(input()) int input() input if x in range(400,600):
    p=8
elif x in range(600,800):
    p=7
elif x in range(800,1000):
    p=6
elif x in range(1000,1200):
    p=5
elif x in range(1200,1400):
    p=4
elif x in range(1400,1600):
    p=3
elif x in range(1600,1800):
    p=2
elif x in range(1800,2000):
    p=1 x in range(400,600) x range(400,600) range 400 600 p=8 p 8 elif x in range(600,800):
    p=7 x in range(600,800) x range(600,800) range 600 800 p=7 p 7 elif x in range(800,1000):
    p=6 x in range(800,1000) x range(800,1000) range 800 1000 p=6 p 6 elif x in range(1000,1200):
    p=5 x in range(1000,1200) x range(1000,1200) range 1000 1200 p=5 p 5 elif x in range(1200,1400):
    p=4 x in range(1200,1400) x range(1200,1400) range 1200 1400 p=4 p 4 elif x in range(1400,1600):
    p=3 x in range(1400,1600) x range(1400,1600) range 1400 1600 p=3 p 3 elif x in range(1600,1800):
    p=2 x in range(1600,1800) x range(1600,1800) range 1600 1800 p=2 p 2 elif x in range(1800,2000):
    p=1 x in range(1800,2000) x range(1800,2000) range 1800 2000 p=1 p 1 print(p) print p p=1 1 p p=2 2 p p=4 4 p p=6 6 p p=5 5 p x=int(input()) int(input()) x p=7 7 p p=3 3 p p=8 8 p
x=int(input())
if x in range(400,600):
    p=8
elif x in range(600,800):
    p=7
elif x in range(800,1000):
    p=6
elif x in range(1000,1200):
    p=5
elif x in range(1200,1400):
    p=4
elif x in range(1400,1600):
    p=3
elif x in range(1600,1800):
    p=2
elif x in range(1800,2000):
    p=1
print(p)